Home / 212,127.66-292,619.39-134,461.22

Finding the Fourth Proportional to 212,127.66, 292,619.39 and 134,461.22

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Solution

The fourth proportional to 212,127.66, 292,619.39 and 134,461.22 is: 185,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,127.66 : 292,619.39 = 134,461.22 : x
  2. Step 2: Convert to fraction form
    212,127.66/292,619.39 = 134,461.22/x
  3. Step 3: Cross multiply
    212,127.66x = 292,619.39 × 134,461.22
  4. Step 4: Simplify right side
    212,127.66x = 39,345,958,039.65
  5. Step 5: Solve for x
    x = 39,345,958,039.65/212,127.66
  6. Step 6: Final answer
    x = 185,482.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.